What is the gauge of the Ernie Ball 2721 set?

The 2721 set is the 'Regular Slinky' gauge, which consists of .010, .013, .017, .026, .036, and .046 inches.

How does cobalt affect the sound of guitar strings?

Cobalt is more magnetically active than nickel or steel. This leads to a stronger interaction with pickups, providing increased output, clearer highs, and a more robust low end.

Are these strings suitable for beginners?

Yes, the 10-46 gauge is considered a standard medium tension that is comfortable for beginners while offering a professional-grade tone.

What is the typical price for a set of Cobalt 2721 strings?

The typical price for these strings is approximately £10.00, placing them slightly above standard nickel strings due to the specialised materials used.

How do Cobalt strings compare to M-Steel strings?

Cobalt strings focus on output and clarity via a cobalt-iron alloy, whereas M-Steel (like the 2921 set) uses a Maraging steel core for even higher output and durability.

Do these strings feel different to standard Slinky strings?

Many players find cobalt strings to have a slightly smoother or 'silky' feel compared to standard nickel-wound strings, though the tension remains regular for the gauge.

Can these strings be used on any electric guitar?

Yes, the 2721 Cobalt set is designed for any standard electric guitar that accommodates 10-46 gauge strings.

Are these strings similar to D'Addario Zyex?

No, D'Addario Zyex strings are designed for violins and use a synthetic core. The Ernie Ball 2721 is a metal-wound string specifically for electric guitars.

Who is a famous user of Ernie Ball strings?

Eric Clapton is a notable artist associated with Ernie Ball strings, contributing to the brand's reputation for professional quality.

What are the specific benefits of the 2721 set listed by the manufacturer?

The manufacturer highlights an extended dynamic range, incredible harmonic response, increased low end, and crisp, clear highs.

Are these strings related to Tim Henson's signature set?

While both are Ernie Ball Slinky products, the 2721 uses Cobalt alloy, whereas the 3826 Tim Henson signature set uses Nickel and a different 9.5-46 gauge.

Do Cobalt strings last longer than nickel strings?

Cobalt is highly resistant to corrosion, which can help maintain the brightness and life of the string for longer than traditional materials.

Gear article

Ernie Ball Regular Slinky 2721 Cobalt Guitar Strings

Ernie Ball Regular Slinky 2721 Cobalt strings represent a significant innovation in string technology, utilising a proprietary cobalt alloy to enhance output and clarity. Designed with a 10-46 gauge, they provide guitarists with an extended dynamic range and a more pronounced harmonic response compared to traditional nickel-plated strings.

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Background and Innovation

Ernie Ball introduced the Cobalt Slinky series as a modern advancement in string engineering, moving beyond the industry-standard nickel and steel alloys. The 2721 set is part of this innovation, aimed at guitarists seeking a more powerful output and a distinct tonal profile. Unlike standard sets, the Cobalt series is engineered to interact more efficiently with the magnetic fields of guitar pickups, resulting in a stronger signal.

Material and Construction

The primary feature of the 2721 set is the cobalt wrap wire. Cobalt provides a stronger magnetic relationship with guitar pickups than the iron or nickel used in traditional strings. This material choice is intended to maximise output and clarity across the entire frequency spectrum. The strings maintain the classic 'Regular Slinky' gauge configuration, ranging from .010 to .046, ensuring a familiar tension for players transitioning from standard sets.

Sound Profile and Character

The sonic signature of the Cobalt 2721 set is defined by its extended dynamic range. These strings are noted for providing:

Increased Low End: A tighter and more pronounced bass response.
Crisp Highs: Clear, defined treble frequencies that cut through a mix.
Harmonic Response: Enhanced harmonic overtones that add richness to the guitar's voice.
Enhanced Output: A perceptibly louder signal that can drive amplifiers more effectively.

Target Audience and Artist Use

These strings are suited for guitarists who require high-definition sound and a more aggressive output without changing their instrument's electronics. They are particularly popular among performers who play high-gain genres or those who require maximum clarity for clean passages. Notable users of Ernie Ball strings include legendary guitarist Eric Clapton, who is associated with the brand's roster.

Comparisons to Alternatives

Within the Ernie Ball catalogue, the 2721 Cobalt set sits between the traditional Nickel Wound Slinky and the high-output 2921 M-Steel series. While standard Slinkys offer a warm, vintage-inspired tone, the Cobalt series provides a brighter and more modern response. Compared to the Tim Henson Signature 3826 Slinkys, which utilise nickel, the Cobalt set focuses more on magnetic output rather than specific custom gauges. Outside the brand, they offer a different feel and tonality to orchestral-style strings such as D'Addario Zyex or Helicore, which are constructed for bowed instruments.

Artists who play it

Eric Clapton
Guitarist

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Frequently asked questions

What is the gauge of the Ernie Ball 2721 set?: The 2721 set is the 'Regular Slinky' gauge, which consists of .010, .013, .017, .026, .036, and .046 inches.
How does cobalt affect the sound of guitar strings?: Cobalt is more magnetically active than nickel or steel. This leads to a stronger interaction with pickups, providing increased output, clearer highs, and a more robust low end.
Are these strings suitable for beginners?: Yes, the 10-46 gauge is considered a standard medium tension that is comfortable for beginners while offering a professional-grade tone.
What is the typical price for a set of Cobalt 2721 strings?: The typical price for these strings is approximately £10.00, placing them slightly above standard nickel strings due to the specialised materials used.
How do Cobalt strings compare to M-Steel strings?: Cobalt strings focus on output and clarity via a cobalt-iron alloy, whereas M-Steel (like the 2921 set) uses a Maraging steel core for even higher output and durability.
Do these strings feel different to standard Slinky strings?: Many players find cobalt strings to have a slightly smoother or 'silky' feel compared to standard nickel-wound strings, though the tension remains regular for the gauge.
Can these strings be used on any electric guitar?: Yes, the 2721 Cobalt set is designed for any standard electric guitar that accommodates 10-46 gauge strings.
Are these strings similar to D'Addario Zyex?: No, D'Addario Zyex strings are designed for violins and use a synthetic core. The Ernie Ball 2721 is a metal-wound string specifically for electric guitars.
Who is a famous user of Ernie Ball strings?: Eric Clapton is a notable artist associated with Ernie Ball strings, contributing to the brand's reputation for professional quality.
What are the specific benefits of the 2721 set listed by the manufacturer?: The manufacturer highlights an extended dynamic range, incredible harmonic response, increased low end, and crisp, clear highs.
Are these strings related to Tim Henson's signature set?: While both are Ernie Ball Slinky products, the 2721 uses Cobalt alloy, whereas the 3826 Tim Henson signature set uses Nickel and a different 9.5-46 gauge.
Do Cobalt strings last longer than nickel strings?: Cobalt is highly resistant to corrosion, which can help maintain the brightness and life of the string for longer than traditional materials.